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Mayfly - Wikipedia ... Mayfly
Dolania is a monotypic genus of mayfly in the family Behningiidae containing the single species Dolania americana, also known as the American sand-burrowing mayfly. [ 2] It is found in the southeastern United States, as far south as Florida, and is generally uncommon. [ 3] The adult insects emerge before dawn in early summer, mate and die ...
A species is considered semelparous if it is characterized by a single reproductive episode before death, and iteroparous if it is characterized by multiple reproductive cycles over the course of its lifetime. Iteroparity can be further divided into continuous iteroparity (primates, including humans and chimpanzees) and seasonal iteroparity ...
Lepidoptera genitalia
Ephemera guttulata, commonly known as the eastern green drake, shad fly and coffinfly, is a species of mayfly in the genus Ephemera. The eastern green drake is native to the continental United States and Canada. Its conservation status per the NatureServe conservation status ranking system is G5, meaning it is secure. [2]
Fish reproduction
Human reproductive system
Reproductive Function Seminal fluid provides sperm with energy and helps them move efficiently. It also balances the acidic environment in the female reproductive tract to protect sperm from harm.